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Tomato Soup

A soup made with tomatoes, onions, rice, spices, and thickened with flour.

From an old cookbook · modernised transcription
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Tomato Soup

Why it works: Allspice and clove match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 7,874 recipes. Both carry estragole, which smells anise, licorice. The science ↓

Tomato Soup

Ingredients

Directions

  1. In a large pot, combine 12 gallons of water with the mashed tomatoes, hashed onions, boiled rice, allspice, and cloves.

  2. Bring the mixture to a boil and cook for one hour.

  3. Thicken the soup with flour.

  4. Season with pepper and coarse sea salt to taste.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Photo for illustrative purposes only · Contact us to use it

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Allspice + clovetop 1% of all pairs
    Smell alikestrong
    Cooked together7,874 recipes

    Shared aroma: estragole (anise, licorice).

  2. Clove + peppertop 5% of all pairs
    Smell alikestrong
    Cooked together17,451 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  3. Allspice + peppertop 5% of all pairs
    Smell alikestrong
    Cooked together6,395 recipes

    Shared aroma: estragole (anise, licorice).

  4. Tomato + ricetop 6% of all pairs
    Smell alikestrong
    Cooked together3,065 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  5. Tomato + peppertop 7% of all pairs
    Smell alikemoderate
    Cooked together17,923 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Tomatoes
Form the main body and flavor of the soup as they break down during cooking.
Raw onions
Add savory depth and aroma that mellow as the soup simmers.
Rice
Adds body and helps give the soup a fuller, creamier texture.
Flour
Thickens the soup by swelling in the hot liquid to add body.

The step that matters

Thicken the soup with flour. Flour added directly to hot liquid can clump. Mixing it first into a smooth paste or slurry with cool liquid helps it disperse evenly and thicken smoothly.

Swap the onion

How well each one fits the dish's main ingredients (tomato, rice, allspice, clove, flour, pepper):

  1. Capsicumfits better
  2. Carrotfits better
  3. Okrafits better
  4. Onionthe original

Fit is the average pairing score against tomato, rice, allspice, clove, flour, pepper. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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